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path: root/src/glsl/ast_to_hir.cpp
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Diffstat (limited to 'src/glsl/ast_to_hir.cpp')
-rw-r--r--src/glsl/ast_to_hir.cpp15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/glsl/ast_to_hir.cpp b/src/glsl/ast_to_hir.cpp
index 37be1cb7562..f35d8679e70 100644
--- a/src/glsl/ast_to_hir.cpp
+++ b/src/glsl/ast_to_hir.cpp
@@ -2180,6 +2180,9 @@ apply_type_qualifier_to_variable(const struct ast_type_qualifier *qual,
if (qual->flags.q.centroid)
var->centroid = 1;
+ if (qual->flags.q.sample)
+ var->sample = 1;
+
if (qual->flags.q.attribute && state->target != vertex_shader) {
var->type = glsl_type::error_type;
_mesa_glsl_error(loc, state,
@@ -3277,6 +3280,14 @@ ast_declarator_list::hir(exec_list *instructions,
"'centroid in' cannot be used in a vertex shader");
}
+ if (state->target == vertex_shader
+ && this->type->qualifier.flags.q.sample
+ && this->type->qualifier.flags.q.in) {
+
+ _mesa_glsl_error(&loc, state,
+ "'sample in' cannot be used in a vertex shader");
+ }
+
/* Section 4.3.6 of the GLSL 1.30 specification states:
* "It is an error to use centroid out in a fragment shader."
*
@@ -4662,6 +4673,7 @@ ast_process_structure_or_interface_block(exec_list *instructions,
fields[i].interpolation =
interpret_interpolation_qualifier(qual, var_mode, state, &loc);
fields[i].centroid = qual->flags.q.centroid ? 1 : 0;
+ fields[i].sample = qual->flags.q.sample ? 1 : 0;
if (qual->flags.q.row_major || qual->flags.q.column_major) {
if (!qual->flags.q.uniform) {
@@ -4930,6 +4942,8 @@ ast_interface_block::hir(exec_list *instructions,
earlier_per_vertex->fields.structure[j].interpolation;
fields[i].centroid =
earlier_per_vertex->fields.structure[j].centroid;
+ fields[i].sample =
+ earlier_per_vertex->fields.structure[j].sample;
}
}
@@ -5084,6 +5098,7 @@ ast_interface_block::hir(exec_list *instructions,
var_mode);
var->interpolation = fields[i].interpolation;
var->centroid = fields[i].centroid;
+ var->sample = fields[i].sample;
var->init_interface_type(block_type);
if (redeclaring_per_vertex) {